uvm_fault(0xffffffff8260d0f0, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff8260d0f0, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021bc5148,ffff800021bc51d0,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 end trace frame: 0xffff800021bc50f0, count: 0 ddb{1}> trace sbdrop(ffff800021bc5148,ffff800021bc51d0,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 sbflush(ffff800021bc5148,ffff800021bc51d0) at sbflush+0x93 sys/kern/uipc_socket2.c:932 sbrelease(ffff800021bc5148,ffff800021bc51d0) at sbrelease+0x2e sys/kern/uipc_socket2.c:526 sorflush(fffffd806a87fa90) at sorflush+0x13d sys/kern/uipc_socket.c:1119 sofree(fffffd806a87fa90,42) at sofree+0x147 sys/kern/uipc_socket.c:255 soclose(fffffd806a87fa90,0) at soclose+0x270 sys/kern/uipc_socket.c:327 soo_close(fffffd807ea03e58,ffff800020ac9650) at soo_close+0x40 fdrop(fffffd807ea03e58,ffff800020ac9650) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd807ea03e58,ffff800020ac9650) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac9650) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac9650,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac9650,ffff800021bc5590,ffff800021bc55e0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800021bc5660) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021bc5660) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe9160, count: -14 ddb{1}> show registers rdi 0 rsi 0x3be rbp 0xffff800021bc50a0 rbx 0xfffffd806d6f4800 rdx 0x218f0 acpi_pdirpa+0xd758 rcx 0 rax 0 r8 0xffffffff818bc088 sbdrop+0x248 r9 0x3 r10 0x1bc6265ecd299e3a r11 0x2ac658cb1bee8e89 r12 0x3be r13 0xb00 r14 0xffff800021bc51d0 r15 0xfffffd0000000000 rip 0xffffffff818bc059 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021bc5040 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.0) pid=506675 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=61, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6510,0xffffffff82616208 process=0xffff800020af4e00 user=0xffff800021bc0000, vmspace=0xfffffd807efff730 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77505 445988 0 0 3 0x14200 bored sosplice 9582 266217 10457 0 3 0x82 nanosleep syz-executor.1 99258 79035 10457 0 3 0x82 nanosleep syz-executor.0 10457 384971 74534 0 3 0x82 thrsleep syz-fuzzer 10457 144747 74534 0 3 0x4000082 nanosleep syz-fuzzer 10457 192956 74534 0 3 0x4000082 thrsleep syz-fuzzer 10457 294165 74534 0 3 0x4000082 thrsleep syz-fuzzer 10457 441689 74534 0 3 0x4000082 kqread syz-fuzzer 10457 477686 74534 0 3 0x4000082 thrsleep syz-fuzzer 10457 451362 74534 0 3 0x4000082 thrsleep syz-fuzzer 10457 205215 74534 0 3 0x4000082 thrsleep syz-fuzzer 10457 106535 74534 0 3 0x4000082 thrsleep syz-fuzzer 10457 14872 74534 0 3 0x4000082 thrsleep syz-fuzzer 74534 393647 50016 0 3 0x10008a pause ksh 50016 167932 45105 0 3 0x92 select sshd 46170 110527 1 0 3 0x100083 ttyin getty 45105 77642 1 0 3 0x80 select sshd 65806 149015 49328 74 3 0x100092 bpf pflogd 49328 181031 1 0 3 0x80 netio pflogd 71082 231792 60466 73 3 0x100090 kqread syslogd 60466 5447 1 0 3 0x100082 netio syslogd 12251 332159 1 77 3 0x100090 poll dhclient 1822 172804 1 0 3 0x80 poll dhclient 47501 272492 0 0 3 0x14200 pgzero zerothread 30339 183630 0 0 3 0x14200 aiodoned aiodoned 83211 489127 0 0 3 0x14200 syncer update 48425 268225 0 0 3 0x14200 cleaner cleaner 22849 469891 0 0 7 0x14200 reaper 88241 387077 0 0 3 0x14200 pgdaemon pagedaemon 95078 166660 0 0 3 0x14200 bored crynlk 17512 181842 0 0 3 0x14200 bored crypto 15860 403604 0 0 3 0x40014200 acpi0 acpi0 96599 433576 0 0 3 0x40014200 idle1 84173 69234 0 0 3 0x14200 bored softnet 19640 16568 0 0 3 0x14200 bored systqmp 6626 321304 0 0 3 0x14200 bored systq 38878 334589 0 0 3 0x40014200 bored softclock 24593 152873 0 0 3 0x40014200 idle0 75694 228170 0 0 3 0x14200 bored smr 1 291096 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9503 6410K 6855K 78643K 10969 0 pcb 13 8K 8K 78643K 65 0 rtable 108 4K 4K 78643K 296 0 ifaddr 69 14K 15K 78643K 124 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1479 0 iov 0 0K 16K 78643K 21 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1347 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 15 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 195 0 sigio 0 0K 0K 78643K 2 0 proc 65 75K 83K 78643K 461 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 11 0 in_multi 59 3K 3K 78643K 69 0 ether_multi 1 0K 0K 78643K 5 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 220 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 111 22K 22K 78643K 1622 0 UVM aobj 12 2K 2K 78643K 12 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 32 0 NDP 10 0K 0K 78643K 24 0 temp 122 3018K 3082K 78643K 7766 0 kqueue 3 4K 10K 78643K 13 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 37 0 34 1 0 1 1 0 8 0 rtentry 112 49 0 5 2 0 2 2 0 8 0 unpcb 120 174 0 163 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 127 0 127 1 1 0 1 0 8 0 tcpcb 544 224 0 216 3 1 2 2 0 8 1 inpcb 280 419 0 409 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 9 0 9 1 0 1 1 0 8 1 pffrag 232 9 0 9 2 1 1 1 0 482 1 pffrnode 88 9 0 9 2 1 1 1 0 8 1 pffrent 40 153 0 153 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 45 0 4 1 0 1 1 0 8 0 pfstkey 112 45 0 4 2 0 2 2 0 8 0 pfstate 328 45 0 4 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 219 0 2 14 0 14 14 0 8 0 art_table 32 220 0 2 2 0 2 2 0 8 0 art_node 16 48 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 76 0 53 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 11 0 2 1 0 1 1 0 8 0 shmpl 112 10 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1678 0 266 46 0 46 46 0 8 0 ffsino 272 1678 0 266 95 0 95 95 0 8 0 nchpl 144 2189 0 580 61 0 61 61 0 8 0 uvmvnodes 72 1812 0 0 33 0 33 33 0 8 0 vnodes 208 1812 0 0 96 0 96 96 0 8 0 namei 1024 5917 0 5917 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 6033 0 6033 8 5 3 7 0 8 3 plimitpl 152 27 0 18 1 0 1 1 0 8 0 sigapl 432 394 0 379 3 1 2 3 0 8 0 futexpl 56 3436 0 3436 1 0 1 1 0 8 1 knotepl 112 64 0 45 1 0 1 1 0 8 0 kqueuepl 104 39 0 37 1 0 1 1 0 8 0 pipelkpl 48 118 0 108 1 0 1 1 0 8 0 pipepl 120 236 0 217 2 1 1 2 0 8 0 fdescpl 496 395 0 379 3 0 3 3 0 8 0 filepl 152 2623 0 2517 7 1 6 6 0 8 1 lockfpl 104 61 0 60 1 0 1 1 0 8 0 lockfspl 48 24 0 23 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 220 0 210 1 0 1 1 0 8 0 zombiepl 144 380 0 378 1 0 1 1 0 8 0 processpl 896 411 0 378 4 0 4 4 0 8 0 procpl 632 856 0 813 6 0 6 6 0 8 1 sosppl 128 3 0 3 1 0 1 1 0 8 1 sockpl 384 636 0 611 5 0 5 5 0 8 2 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 177 0 0 22 0 22 22 0 8 0 mtagpl 80 18 0 0 1 0 1 1 0 8 0 mbufpl 256 344 0 0 20 0 20 20 0 8 0 bufpl 280 6587 0 1340 375 0 375 375 0 8 0 anonpl 16 51794 0 36297 75 1 74 74 0 125 10 amapchunkpl 152 2131 0 1993 8 1 7 8 0 158 0 amappl16 192 1753 0 913 51 0 51 51 0 8 8 amappl15 184 58 0 55 1 0 1 1 0 8 0 amappl14 176 100 0 97 1 0 1 1 0 8 0 amappl13 168 2 0 1 1 0 1 1 0 8 0 amappl12 160 7 0 7 1 1 0 1 0 8 0 amappl11 152 143 0 126 1 0 1 1 0 8 0 amappl10 144 12 0 8 1 0 1 1 0 8 0 amappl9 136 602 0 599 1 0 1 1 0 8 0 amappl8 128 126 0 100 1 0 1 1 0 8 0 amappl7 120 102 0 92 1 0 1 1 0 8 0 amappl6 112 146 0 140 1 0 1 1 0 8 0 amappl5 104 131 0 117 1 0 1 1 0 8 0 amappl4 96 575 0 546 1 0 1 1 0 8 0 amappl3 88 267 0 256 1 0 1 1 0 8 0 amappl2 80 2234 0 2160 3 1 2 3 0 8 0 amappl1 72 18907 0 18446 27 17 10 21 0 8 0 amappl 80 1098 0 1053 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 395 0 379 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 395 0 379 1 0 1 1 0 8 0 vmmpekpl 168 7176 0 7145 2 0 2 2 0 8 0 vmmpepl 168 55552 0 53529 124 17 107 116 0 357 14 vmsppl 368 394 0 379 2 0 2 2 0 8 0 pdppl 4096 797 0 758 6 0 6 6 0 8 0 pvpl 32 170631 0 151913 178 0 178 178 0 265 25 pmappl 232 394 0 379 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 175 0 4 5 0 5 5 0 8 0